AS1239 206.228.128.0/21 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 2046Addressable IPs: 2048206.228.128.0/24206.228.129.0/24206.228.130.0/24206.228.131.0/24206.228.132.0/24206.228.133.0/24206.228.134.0/24206.228.135.0/24